On Dec 27, 9:26 pm, geoff wrote:
In message
,
Graham writes





On Dec 27, 5:00 pm, geoff wrote:
In message
,
Graham writes

Just in time for xmas, the heatings gone on the blinks and the local
parts shop is shut till next year ..

the diverter valve has started to 'stick' mostly fully out so at
least the hot water is still working , but it will not actuate when
the radiators are 'on'

its moving half way , then lock's ... this morning it actually went
the full distance and the heating came on .. now it will only travel
half way ... agen ...

if i take it off - is there any way it can be serviced ? ie cleaned ?
or do these valves end up with ware ridges that mean its 'worne
out' ??

see some posts about de-scaleing them , this has been in service about
15 years

There is a service kit which should be available for about 10-15 quid

be very careful when dismantling, take lots of notes and pictures, it's
one of those things which always has one thing which you can't figure
out what goes where when you do one for the first time
IYSWIM

be warned

other than that, it's not particularly difficult to anyone with a brain
cell or two

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geoff- Hide quoted text -

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? assume the service kit is a ' vaillant' only part ??? or are there
some after market items ?

I have repaired a few using a Vaillant pack

I don't know if pattern ones exist

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geoff- Hide quoted text -

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Ok thanks for info ..

.... Well im wondering if a service kit will fix it , as one time its
working fine , the next its jammed solid ... the next , its stopped 1
mm short of working the switch ... i assume the service kit has seals
and diaphragm ... but dose it contain the moving parts ? I think
these .may have some ridges worn on them ?


... after 14/15 years may be a better idea to fit a new assembly ..when
i can buy one ......

the only problem is .. can you get it out from the front of the
boiler , ive access to the bottom and the front only ....looks like
may have to take the pump out to cleare it ....

tnx

G ..